CVE-2026-93147

HIGHCVSS 7.8

Description

In the Linux kernel, the following vulnerability has been resolved: s390/bpf: Replace ly instruction with llgf cpu_nr is a 32 bit value and BPF_REG_0 is a 64 bit register, when ly loads the cpu_nr into BPF_REG_0 it does not zero the upper bits, but llgf does.

Timeline

Published:September 17th, 2026 5:18 PM

Last modified:October 19th, 2026 10:17 AM

CVSS Scoring

CVSS v3: 7.8 (HIGH)

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References & Reports

Advisories, patches, and third-party reports

https://git.kernel.org/stable/c/5f6cc299938b561cb01e343bab7042611fcee12a
https://git.kernel.org/stable/c/88500a86ab79f01c568de6ed00f5b1c5c79f11d5

Source: NIST NVD · Data may lag official sources by up to one minute